. it was actually quite a bit of fun to watch. cbs 5 political reporter grace lee on the vice presidential debate that was hard to turn away from. >> politics can be fun, dana. it certainly was tonight. apparently even the president thought so, calling biden's performance, quote, terrific and saying he couldn't be prouder of him. and it is showing in the polls. in a cbs news poll of uncommitted voters, 58% gave him the win, compared with 31% for paul ryan. asked who would be able to take over as president, if necessary, voters stayed with the republican nominee. but that shifted significantly after the face-off. perhaps because time and again the president's attack dog in chief showed why he had earned that nickname. >> reporter: they are a generation apart in age. and world's apart in ideology. with that, two phrases were laid down. >> these people are my mom and dad, the people i grew up with, my neighbors. they pay more effective tax than governor romney's pays. i've had it up to here with that notion of 47%. >> reporter: congressman ryan was not afraid to fight back. >> romney is a good man.